EP 0173035 B1 19891108 - ASCENCION PIPE COVER
Title (en)
ASCENCION PIPE COVER
Publication
Application
Priority
DE 3431298 A 19840825
Abstract (en)
[origin: US4666559A] A closure is provided for the top opening of a circular or oval cross section gas offtake pipe provided on the roof for a coke oven chamber to conduct gasses from the chamber to a gas main. The closure includes a domed top cover and an inner cover. The peripheral edge of the top cover dips into a water seal provided on the top edge of the gas offtake pipe when the cover is in a closed position. The edge of the inner cover engages a peripheral top sealing edge of an annular wall which is disposed at a distance from the water seal inwardly thereof. The top seal edge of the annular wall is disposed above a base of the water seal.
IPC 1-7
IPC 8 full level
C10B 27/06 (2006.01)
CPC (source: EP KR US)
C10B 25/22 (2013.01 - KR); C10B 27/06 (2013.01 - EP US)
Designated contracting state (EPC)
FR GB NL
DOCDB simple family (publication)
EP 0173035 A2 19860305; EP 0173035 A3 19870520; EP 0173035 B1 19891108; DE 3431298 A1 19860306; DE 3431298 C2 19911114; KR 860001867 A 19860324; US 4666559 A 19870519
DOCDB simple family (application)
EP 85108406 A 19850706; DE 3431298 A 19840825; KR 850006131 A 19850824; US 76226985 A 19850805